What are radioactive isotopes?
A radioactive isotope is a chemical element having an unstable nucleus that decays, emitting alpha, beta, or gamma rays until stability is reached.
What are the hazards of radiation?
Overexposure of radiation can lead to radiation poisoning, which presents itself with symptoms such as nausea, vomiting. Extended exposure may also lead to tumors, cancer and genetic damage. The use of radiation is strictly monitored for these reasons.
Page last modified December 2, 2010